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Subjects

Science

Evolution and speciation

In this Class 10 Science topic from Heredity and Evolution, students explore how inherited variations accumulate over generations and contribute to the evolution of organisms. They learn how natural selection, environmental changes, and reproductive isolation can lead to the formation of new species, or speciation. The topic also connects fossils, similarities among organisms, and other evidence to the scientific understanding of evolutionary relationships and biodiversity.

Expert · Level 1 · 2 questions

Practice questions

01If natural selection and genetic drift act in different directions in two separated populations, what can be the long-term result?

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Answer and explanation

02How can genetic drift and natural selection together contribute to speciation?

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Answer and explanation

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